1401041721725 has 24 divisors (see below), whose sum is σ = 1853527313088. Its totient is φ = 1046849273600.

The previous prime is 1401041721707. The next prime is 1401041721749. The reversal of 1401041721725 is 5271271401041.

It is a happy number.

It is not a de Polignac number, because 1401041721725 - 2¹⁸ = 1401041459581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12526649 + ... + 12637998.

It is an arithmetic number, because the mean of its divisors is an integer number (77230304712).

Almost surely, 2^{1401041721725} is an apocalyptic number.

It is an amenable number.

1401041721725 is a deficient number, since it is larger than the sum of its proper divisors (452485591363).

1401041721725 is a wasteful number, since it uses less digits than its factorization.

1401041721725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164805 (or 25164800 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 1401041721725 in words is "one trillion, four hundred one billion, forty-one million, seven hundred twenty-one thousand, seven hundred twenty-five".